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bony tongue: Media

fish

Images

Pirarucu (Arapaima gigas)
Tom Dolan/Encyclopædia Britannica, Inc., painted under the supervision of Loren P. Woods, Chicago Natural History Museum
arawana
Arawana (Osteoglossum bicirrhosum).
Qwertzy2
Pirarucu (Arapaima gigas)
© N-sky/Shutterstock.com